The therapy dogs at Walter Reed are not magic. (OK, maybe a little bit.)

When you're going through something really hard, sometimes what you need is a warm, fuzzy, adorable distraction.

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The magic science is compelling. Therapy dogs really do seem to help sick and injured people recover.

Therapy dogs like those at Walter Reed National Military Medical Center in the above video by Military Health aren't random dogs from a local shelter. These are highly trained, certified dogs with handlers. Therapy and emotional support dogs have been shown to help veterans break out of their emotional shells, leading to more productive therapy sessions and better relationships with loved ones.

More research is needed into how exactly therapy dogs help mitigate the problems that wounded veterans experience, but we've known for a very long time that having pets — especially dogs — grants some pretty serious health benefits.

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